- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 9/44 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium - Details such means combined with temperature correction
Patent holdings for IPC class F16F 9/44
Total number of patents in this class: 265
10-year publication summary
|
19
|
26
|
39
|
25
|
27
|
28
|
27
|
19
|
14
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fox Factory, Inc. | 752 |
54 |
| KYB Corporation | 1278 |
12 |
| KYB Motorcycle Suspension Co., Ltd. | 51 |
12 |
| Hitachi Astemo, Ltd. | 5618 |
12 |
| Ohlins Racing AB | 130 |
7 |
| ThyssenKrupp AG | 3086 |
7 |
| Kayaba Industry Co., Ltd. | 376 |
6 |
| Kyntec Corporation | 17 |
6 |
| Oiles Corporation | 515 |
6 |
| Showa Corporation | 190 |
6 |
| Tenneco Automotive Operating Company Inc. | 658 |
5 |
| ThyssenKrupp Bilstein GmbH | 188 |
5 |
| FTC Solar, Inc. | 80 |
5 |
| Sumitomo Electric Industries, Ltd. | 14131 |
4 |
| Bell Helicopter Textron Inc. | 1122 |
4 |
| Koganei Corporation | 209 |
4 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
4 |
| Yamaha Hatsudoki Kabushiki Kaisha | 1998 |
4 |
| Hitachi Automotive Systems, Ltd. | 3970 |
3 |
| Decathlon | 762 |
3 |
| Other owners | 96 |